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For changes to Rebirth pickups, see Changes. For pickups which are in the game but unobtainable, see Pickups (Unused)

Antibirth adds a few new types of pickups.

Hearts[edit | edit source]

Immortal Heart[edit | edit source]

Immortal Heart.png

Immortal Hearts are white hearts which append to the end of the health bar like soul hearts.

Immortal Hearts always take two hits to be fully depleted, and will regenerate from half to full upon clearing a room.

Immortal Hearts replace Eternal Hearts with a 50% chance and do not spawn in any other way, except for one room in the Corpse.

Rotten Heart[edit | edit source]

Rotten Heart.png

Rotten Hearts are infested red hearts which fill up a full heart container. If a Rotten Heart is picked up at full health, it will replace the rightmost red heart.

For each Rotten Heart possessed upon clearing a room, two blue flies will spawn. You cannot have half a Rotten Heart; they are always depleted in one hit.

Depleting a Rotten Heart will not count against Devil Deal Chance when it's the rightmost red heart.

Rotten Hearts are unlocked by entering the Corpse for the first time.

Notes[edit | edit source]

  • Although a Rotten Heart is depleted in one hit, under certain circumstances Isaac can have half a rotten heart. By taking any full heart source of damage with half a regular red heart next to a rotten heart, the rotten heart will appear "halved". This includes sources of damage after Mom, and The Sharp Plug.
    • A half Rotten Heart looks nearly identical to a half Red Heart, but it also spawns two blue flies. Grabbing a regular red heart will "repair" it. Taking half a heart of damage will destroy the half rotten heart; however, taking a full heart of damage will deduct a full red heart in addition to the rotten heart.

Pills[edit | edit source]

Three new pill effects were introduced in Antibirth.

Pill Effect
Experimental Pill

Increases one random attribute and decreases a different random attribute. Will not decrease attributes with PHD.

Shot Speed Down

Decreases shot speed.

Shot Speed Up

Increases shot speed.

Notes[edit | edit source]

  • It is possible for an Experimental Pill to decrease health while Isaac has one heart container, killing him.

Runes[edit | edit source]

Multiple new runes were added to Antibirth. When on the ground, these runes look like: Rune3.png

Rune ID Icon Message Unlocked by completing Effect
Rune of Gebo 60 Gebo Icon.png "Charity" 4x. Bloody Mary Donates to a machine or beggar
Rune of Kenaz 61 Kenaz Icon.png "Pestilence" 2x. Scat Man Poisons all enemies in the room
Rune of Fehu 62 Fehu Icon.png "Wealth" 3x. Turbo Turns all the pickups in the room into coins
Rune of Othala 63 Othala Icon.png "Legacy" 9x. Seeing Double Rewards a random item that Isaac already holds

Trivia[edit | edit source]

  • The Rune of Fehu is similar to the Ace of Diamonds card introduced in Afterbirth+, however Fehu spawns multiple coins equal to how valuable the pickup would be in a Shop instead of just one, and can convert Items too.

Sacdag.png Antibirth Sacdag.png

Boss Baby Plum.png Bosses MainPageChallenges.png Challenges MainPageChapters.png Chapters Character.png Characters Book of Virtues.png Items
Dumpling.png Monsters Bucket.png Objects Immortal Heart.png Pickups Blessed Penny Icon.png Trinkets MainPageAchievements.png Unlockables